plot.factor {base} | R Documentation |
This functions implements a ``scatterplot'' method for
factor
arguments of the generic
plot
function.
Actually, boxplot
or barplot
are used when
appropriate.
plot.factor(x, y, legend.text = levels(y), ...)
x,y |
numeric or factor. y may be missing. |
legend.text |
a vector of text used to construct a legend for
the plot. Only used if y is present and a factor. |
... |
Further arguments to plot , see also
par . |
plot.default
, plot.formula
,
barplot
, boxplot
.
data(PlantGrowth) plot(PlantGrowth) # -> plot.data.frame plot(weight ~ group, data = PlantGrowth) # numeric vector ~ factor plot(cut(weight, 2) ~ group, data = PlantGrowth) # factor ~ factor plot(PlantGrowth$group, axes=FALSE, main="no axes")# extremly silly